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6 marksComputer Networks and Architectures

CAPE Computer Science Unit 2 · 2010 · Paper 2 · Question 5(a)(ii)

Questions on operating systems and computer networking concepts.

Describe the role of EACH of the top THREE layers of the OSI model drawn in 5(a)(i).

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Other parts of this question

  1. 5(a)(i)Draw a diagram showing the layers of the OSI model for computer communication.[6 marks]
  2. 5(b)What is meant by a 'page fault' in an operating system that uses paging, and how is it handled?[4 marks]
  3. 5(c)State and describe TWO applications that use or can use GPRS.[6 marks]
  4. 5(d)In an operating system, explain what can cause a process to move from the running state to the ready state.[3 marks]

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